Meet Our Experts
Our Principals
Brad Brechwald, PE, PLS
CEO, President
Thomas Zehnder, PE
Principal, CFO
Jorge Aguilar, PE
Principal
Robert Miller, PE
Principal
Kari Wagner, PE
Principal, COO
Bryan Childress, PE
Principal and Director of Mechanical Engineering
Marilynn Connell
Landscape Designer
Lee Faraca, PE
Civil Engineer
David Jamesson, PLA
Landscape Architect
Travis Vasquez, PE
Associate Engineer
Julie Rae Wilson
Controller
Samar Saliba
Senior Accountant
Jamie Platz, PE
Senior Civil Engineer
Paula Cappiello
Senior Accountant
George Marchenko, PLS
Senior Land Surveyor
Brandon Puccini
Associate Engineer
Wen Bin Sullivan, PE
Civil Engineer
Erik Rutherford, PE
Senior Mechanical Engineer
Alvaro Escobedo
Associate Engineer
Gabriela Mendoza
Accountant
Matt Valez
Operations Manager
Lonnie Richardson
Senior Project Analyst
Marcus Jackson
Senior Program Manager
Glenn Rider
Senior Environmental Compliance Specialist
Bill Lindahl, PE
Senior Mechanical Engineer
Conner Kelly, PE
Associate Engineer
Zachary Teske, PE
Director of Construction Management
Michael Hausman, PE
Civil Engineer
John Wallace, PE
Consulting Engineer
Bill Callahan
Senior Environmental Compliance Specialist
Bria diCicco
Marketing & Business Development Manager
Zac Powell, PE
Associate Engineer
JB Barrera
Assistant Resident Engineer
Bryce Dilger, PLS
Senior Land Surveyor II
Ethan Pence, PE
Civil Engineer
Ralph Schell
Senior Civil Designer
Zachary Caipang, PE
Associate Engineer
Rachel Hawthorne, PE
Director of Civil and Transportation Engineering
Jamie Rogers
Marketing Coordinator
Alexandra Cass, PE
Associate Engineer
Frances Yu
Survey Technician
Kathy Redden
Executive Assistant
Tim Peterson
Project Analyst Compliance Inspector
Matt Wilkins, PLA, ASLA, APA
Director of Landscape Architecture
Tina Mayer, PE
Principal Civil Engineer
Heather Johnson
Reception & Admin
Josh Whipple
Senior Mechanical Designer
Alex Murray, PE
Civil Engineer
Sarah Huffman, PE
Civil Engineer
Mark Madonna, PE
Survey Technician
Jenni Metzger
Project Analyst
Jenna Mitchell
Human Resources Manager
Tony Scalise
Assistant Resident Engineer
Luz Garcia, PLS
Professional Land Surveyor
Sonil Kim
Assistant Resident Engineer
Nate Whitcare, PE
Senior Designer
Anthony Lehman
Assistant Resident Engineer
Valerie Huff, PE
Senior Civil Engineer
Cris Disarufino
Senior Civil Designer
Jorge Avila
Assistant Resident Engineer
Olivia Williams
Associate Engineer
Clayton Bradshaw, PE, PLS
Director of Surveying
Jessica Escobar, PLA
Landscape Architect
Greg Hulburd, PE, QSD/P
Director of Water Resources
Suzanne Baird, PLA, ASLA
Landscape Architect
Steven Tanaka, PE, CSI, CCS
Principal Civil Engineer
Zach Markow, PE
Civil Engineer
Nick Sine, LSIT
Survey Technician
Marco Castaneda, PLS
Professional Land Surveyor
Want to make our communities better?